NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Jasper Werby

Psychiatry Physician in Greenbrae, CA · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1427517150

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Jasper Werby
Sex Male
Practice address Greenbrae, CA, 94904
Phone (415) 499-6666
Enumeration date Mar 12, 2019
Last updated in NPPES May 3, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License A193827 (CA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jasper Werby?
The National Provider Identifier (NPI) for Jasper Werby is 1427517150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jasper Werby practice?
The practice location on file with NPPES is in Greenbrae, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-03.